Q. The maximum velocity $(in\ ms^{- 1})$ with which a car driver must traverse a flat curve of radius 150 $m$ and coefficient of friction 0.6 to avoid skidding is
A) 60
B) 30
C) 15
D) 25
Explanation
(b) $v = \ \sqrt{\mu rg} = \ \sqrt{0.6 \times 150 \times 10} = 30m/s$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.